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Get Size of Java TreeSet Example

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instanceof java

Posts: 576
Nickname: instanceof
Registered: Jan, 2015

instanceof java is a java related one.
Get Size of Java TreeSet Example Posted: Mar 8, 2016 10:11 AM
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Original Post: Get Size of Java TreeSet Example
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1.Basic Java example program get size of treeset


  1. package com.TreeSetExamplePrograms;

  3. public Class TreeSetGetSizeDemo{ 
  5.  
  6. public static void main(String args[]) {
  7. //create TreeSet object
  8.  
  9.  TreeSet<String> treeSet = new TreeSet<String>();
  10.  
  11.    //add elements to TreeSet
  12.     treeSet.add("I");
  13.     treeSet.add("N");
  14.     treeSet.add("S");
  15.     treeSet.add("T");
  16.     treeSet.add("A");
  17.     treeSet.add("N");
  18.     treeSet.add("C");
  19.     treeSet.add("E");
  20.           
  21.     treeSet.add("O");
  22.     treeSet.add("F");
  23.           
  24.     System.out.println(treeSet);
  25.           
  26.    System.out.println("Size of TreeSet  : " + treeSet.size());           
  27.     //remove one element from TreeSet using remove method
  28.  
  29.      treeSet.remove("A");
  30.  
  31.  System.out.println("Size of TreeSet after removal of element A : " + treeSet.size()); 
  32.  System.out.println(treeSet);

  34. }
  35. }


Output:


  1. [A, C, E, F, I, N, O, S, T]
  2. Size of TreeSet  : 9
  3. Size of TreeSet after removal of element A : 8
  4. [C, E, F, I, N, O, S, T]






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